<template>
  <div class="checkout-address">
    <div class="text">
      <div class="none" v-if="!showAddress">
        您需要先添加收货地址才可提交订单。
      </div>
      <ul v-if="showAddress">
        <li>
          <span>收<i />货<i />人：</span>{{ showAddress.receiver }}
        </li>
        <li>
          <span>联系方式：</span
          >{{ showAddress.contact.replace(/^(\d{3})\d{4}(\d{4})/, "$1****$2") }}
        </li>
        <li>
          <span>收货地址：</span
          >{{
            showAddress.fullLocation.replace(/ /g, "") + showAddress.address
          }}
        </li>
      </ul>
      <a
        v-if="showAddress"
        @click="openAddressEdit(showAddress)"
        href="javascript:;"
        >修改地址</a
      >
    </div>
    <div class="action">
      <XtxButton @click="openDialog" class="btn">切换地址</XtxButton>
      <XtxButton @click="openAddressEdit({})" class="btn">添加地址</XtxButton>
    </div>
    <xtx-dialog title="切换收货地址" v-model:visible="dialogVisible">
      <div
        class="text item"
        @click="selectedAddress = item"
        v-for="item in list"
        :key="item.id"
        :class="{ active: selectedAddress?.id === item.id }"
      >
        <ul>
          <li>
            <span>收<i />货<i />人：</span>{{ item.receiver }}
          </li>
          <li><span>联系方式：</span>{{ item.contact }}</li>
          <li>
            <span>收货地址：</span
            >{{ item.fullLocation.replace(/ /g, "") + item.address }}
          </li>
        </ul>
      </div>
      <template #footer>
        <XtxButton
          @click="dialogVisible = false"
          type="gray"
          style="margin-right: 20px"
          >取消</XtxButton
        >
        <XtxButton @click="confirmAddress" type="primary">确认</XtxButton>
      </template>
    </xtx-dialog>
    <address-edit @on-success="successHandler" ref="addressEdit" />
  </div>
</template>
<script>
import { ref } from "@vue/reactivity";
import addressEdit from "./address-edit.vue";
export default {
  components: { addressEdit },
  name: "CheckoutAddress",
  props: {
    list: {
      type: Array,
      default: () => [],
    },
  },
  setup(props, { emit }) {
    // 显示地址
    const showAddress = ref(null);
    if (props.list.length) {
      const defaultAddress = props.list.find((item) => item.isDefault === 1);
      if (defaultAddress) {
        showAddress.value = defaultAddress;
      } else {
        showAddress.value = props.list[0];
      }
    }
    // 对话框显示隐藏
    const dialogVisible = ref(false);
    const openDialog = () => {
      dialogVisible.value = true;
      selectedAddress.value = null;
    };
    // 确认地址
    const confirmAddress = () => {
      dialogVisible.value = false;
      showAddress.value = selectedAddress.value;
      emit("change", showAddress.value?.id);
    };
    // 选择的地址
    const selectedAddress = ref(null);
    // 默认通知一个地址ID给父组件
    emit("change", showAddress.value?.id);

    // 添加收货地址组件
    const addressEdit = ref(null);
    const openAddressEdit = (address) => {
      //address： 添加{}  修改{数据}
      addressEdit.value.open(address);
    };

    // 成功处理函数
    const successHandler = (formData) => {
      const editAddress = props.list.find((item) => item.id === formData.id);
      if (editAddress) {
        // 修改
        for (const key in editAddress) {
          editAddress[key] = formData[key];
        }
      } else {
        // 需要克隆下，不然使用的是对象的引用
        const json = JSON.stringify(formData);
        props.list.unshift(JSON.parse(json));
      }
    };
    return {
      showAddress,
      dialogVisible,
      openDialog,
      confirmAddress,
      selectedAddress,
      openAddressEdit,
      addressEdit,
      successHandler,
    };
  },
};
</script>
<style scoped lang="less">
.checkout-address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;
  :deep(.xtx-dialog) {
    .body {
      height: 68vh;
      overflow-y: auto;
    }
  }
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    &.item {
      border: 1px solid #f5f5f5;
      margin-bottom: 10px;
      cursor: pointer;
      &.active,
      &:hover {
        border-color: @xtxColor;
        background: lighten(@xtxColor, 50%);
      }
      > ul {
        padding: 10px;
        font-size: 14px;
        line-height: 30px;
      }
    }
    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }
    > ul {
      flex: 1;
      padding: 20px;
      li {
        line-height: 30px;
        span {
          color: #999;
          margin-right: 5px;
          > i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }
    > a {
      color: @xtxColor;
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }
  .action {
    width: 420px;
    text-align: center;
    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;
      &:first-child {
        margin-right: 10px;
      }
    }
  }
}
</style>